Merge pull request #3110 from lonvia/sql-lambda-queries

[nominatim.git] / nominatim / cli.py

diff --git a/nominatim/cli.py b/nominatim/cli.py
index 56ed6a078eb3a082f9430564b279b1470348c89e..836f9037fd4b9b8916cf7d1563583d4d563e2f56 100644 (file)
--- a/nominatim/cli.py
+++ b/nominatim/cli.py
@@ -9,6 +9,7 @@ Command-line interface to the Nominatim functions for import, update,
 database administration and querying.
 """
 from typing import Optional, Any, List, Union
+import importlib
 import logging
 import os
 import sys
@@ -60,7 +61,7 @@ class CommandlineParser:
     def nominatim_version_text(self) -> str:
         """ Program name and version number as string
         """
-        text = f'Nominatim version {version.version_str()}'
+        text = f'Nominatim version {version.NOMINATIM_VERSION!s}'
         if version.GIT_COMMIT_HASH is not None:
             text += f' ({version.GIT_COMMIT_HASH})'
         return text
@@ -197,10 +198,15 @@ class AdminServe:
     """\
     Start a simple web server for serving the API.
 
-    This command starts the built-in PHP webserver to serve the website
+    This command starts a built-in webserver to serve the website
     from the current project directory. This webserver is only suitable
     for testing and development. Do not use it in production setups!
 
+    There are different webservers available. The default 'php' engine
+    runs the classic PHP frontend. The other engines are Python servers
+    which run the new Python frontend code. This is highly experimental
+    at the moment and may not include the full API.
+
     By the default, the webserver can be accessed at: http://127.0.0.1:8088
     """
 
@@ -208,14 +214,34 @@ class AdminServe:
         group = parser.add_argument_group('Server arguments')
         group.add_argument('--server', default='127.0.0.1:8088',
                            help='The address the server will listen to.')
+        group.add_argument('--engine', default='php',
+                           choices=('php', 'falcon', 'starlette'),
+                           help='Webserver framework to run. (default: php)')
 
 
     def run(self, args: NominatimArgs) -> int:
-        run_php_server(args.server, args.project_dir / 'website')
+        if args.engine == 'php':
+            run_php_server(args.server, args.project_dir / 'website')
+        else:
+            import uvicorn # pylint: disable=import-outside-toplevel
+            server_info = args.server.split(':', 1)
+            host = server_info[0]
+            if len(server_info) > 1:
+                if not server_info[1].isdigit():
+                    raise UsageError('Invalid format for --server parameter. Use <host>:<port>')
+                port = int(server_info[1])
+            else:
+                port = 8088
+
+            server_module = importlib.import_module(f'nominatim.server.{args.engine}.server')
+
+            app = server_module.get_application(args.project_dir)
+            uvicorn.run(app, host=host, port=port)
+
         return 0
 
 
-def get_set_parser(**kwargs: Any) -> CommandlineParser:
+def get_set_parser() -> CommandlineParser:
     """\
     Initializes the parser and adds various subcommands for
     nominatim cli.
@@ -237,14 +263,11 @@ def get_set_parser(**kwargs: Any) -> CommandlineParser:
     parser.add_subcommand('export', QueryExport())
     parser.add_subcommand('serve', AdminServe())
 
-    if kwargs.get('phpcgi_path'):
-        parser.add_subcommand('search', clicmd.APISearch())
-        parser.add_subcommand('reverse', clicmd.APIReverse())
-        parser.add_subcommand('lookup', clicmd.APILookup())
-        parser.add_subcommand('details', clicmd.APIDetails())
-        parser.add_subcommand('status', clicmd.APIStatus())
-    else:
-        parser.parser.epilog = 'php-cgi not found. Query commands not available.'
+    parser.add_subcommand('search', clicmd.APISearch())
+    parser.add_subcommand('reverse', clicmd.APIReverse())
+    parser.add_subcommand('lookup', clicmd.APILookup())
+    parser.add_subcommand('details', clicmd.APIDetails())
+    parser.add_subcommand('status', clicmd.APIStatus())
 
     return parser
 
@@ -254,6 +277,4 @@ def nominatim(**kwargs: Any) -> int:
     Command-line tools for importing, updating, administrating and
     querying the Nominatim database.
     """
-    parser = get_set_parser(**kwargs)
-
-    return parser.run(**kwargs)
+    return get_set_parser().run(**kwargs)